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https://issues.apache.org/jira/browse/AIRFLOW-2923?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16920098#comment-16920098
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ASF GitHub Bot commented on AIRFLOW-2923:
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m1racoli commented on pull request #5778: [AIRFLOW-2923][AIRFLOW-1784]
Implement LatestOnlyOperator as BaseBranchOperator
URL: https://github.com/apache/airflow/pull/5778
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> LatestOnlyOperator cascade skip through all_done and dummy
> ----------------------------------------------------------
>
> Key: AIRFLOW-2923
> URL: https://issues.apache.org/jira/browse/AIRFLOW-2923
> Project: Apache Airflow
> Issue Type: Bug
> Components: scheduler
> Affects Versions: 1.9.0
> Environment: CeleryExecutor, 2-nodes cluster, RMQ, PostgreSQL
> Reporter: Dmytro Kulyk
> Assignee: Cedrik Neumann
> Priority: Major
> Labels: cascade, latestonly, skip
> Attachments: cube_update.py, screenshot-1.png
>
>
> DAG with consolidating point (calc_ready : dummy)
> as per [https://airflow.apache.org/concepts.html#latest-run-only] given task
> should be ran even catching up an execution DagRuns for a previous periods
> However, LatestOnlyOperator cascading through calc_ready despite of it is a
> dummy and trigger_rule=all_done
> Same behavior when trigger_rule=all_success
> {code}
> t_ready = DummyOperator(
> task_id = 'calc_ready',
> trigger_rule = TriggerRule.ALL_DONE,
> dag=dag)
> {code}
> !screenshot-1.png!
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